Specs:
Power Handling (Continuous Average): 250 Watts
Power Handling (Music): 500 Watts
Recommended Amplifier RMS Power Range: 100 Watts to 400 Watts
Nominal Impedance: 1 Ohm or 4 Ohm
Sensitivity (2.83V/1M): 91dB
Frequency Response (-3 dB): 30Hz - 300Hz
Xmax (Linear 1-Way): 10mm